Question

The average of 20 numbers is 12. The average of the first 12 is 11 and that of the next 7 is 10. The last number is​

Answer 1

Answer:

10 is 7 ok

Step-by-step explanation:

plese make me the brainlist

Answer 2

Answer:

12×20=240

-->11×12+7×10+X=240

132+70+x =240

202+x=240

x=240-202

x=38

Step-by-step explanation:

hope you are satisfied with the answer

for further explanation contact me on

in$ta:-ankit.raj101

Mark me as brainly if it is helpful to you